1028057940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20959

約数の個数: 192

約数和(自身を含む): 3936683520

約数和(自身を除く): 2908625580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5460, 7020, 8190, 9828, 12285, 16380, 20921, 24570, 41842, 49140, 62763, 83684, 104605, 125526, 146447, 188289, 209210, 251052, 271973, 292894, 313815, 376578, 418420, 439341, 543946, 564867, 585788, 627630, 732235, 753156, 815919, 878682, 941445, 1087892, 1129734, 1255260, 1318023, 1359865, 1464470, 1631838, 1757364, 1882890, 1903811, 2196705, 2259468, 2447757, 2636046, 2719730, 2824335, 2928940, 3263676, 3765780, 3807622, 3954069, 4079595, 4393410, 4895514, 5272092, 5439460, 5648670, 5711433, 6590115, 7343271, 7615244, 7908138, 8159190, 8786820, 9519055, 9791028, 11297340, 11422866, 12238785, 13180230, 14686542, 15816276, 16318380, 17134299, 19038110, 19770345, 22845732, 24477570, 26360460, 28557165, 29373084, 34268598, 36716355, 38076220, 39540690, 48955140, 51402897, 57114330, 68537196, 73432710, 79081380, 85671495, 102805794, 114228660, 146865420, 171342990, 205611588, 257014485, 342685980, 514028970, 1028057940]

約数ペア:

[(1, 1028057940), (2, 514028970), (3, 342685980), (4, 257014485), (5, 205611588), (6, 171342990), (7, 146865420), (9, 114228660), (10, 102805794), (12, 85671495), (13, 79081380), (14, 73432710), (15, 68537196), (18, 57114330), (20, 51402897), (21, 48955140), (26, 39540690), (27, 38076220), (28, 36716355), (30, 34268598), (35, 29373084), (36, 28557165), (39, 26360460), (42, 24477570), (45, 22845732), (52, 19770345), (54, 19038110), (60, 17134299), (63, 16318380), (65, 15816276), (70, 14686542), (78, 13180230), (84, 12238785), (90, 11422866), (91, 11297340), (105, 9791028), (108, 9519055), (117, 8786820), (126, 8159190), (130, 7908138), (135, 7615244), (140, 7343271), (156, 6590115), (180, 5711433), (182, 5648670), (189, 5439460), (195, 5272092), (210, 4895514), (234, 4393410), (252, 4079595), (260, 3954069), (270, 3807622), (273, 3765780), (315, 3263676), (351, 2928940), (364, 2824335), (378, 2719730), (390, 2636046), (420, 2447757), (455, 2259468), (468, 2196705), (540, 1903811), (546, 1882890), (585, 1757364), (630, 1631838), (702, 1464470), (756, 1359865), (780, 1318023), (819, 1255260), (910, 1129734), (945, 1087892), (1092, 941445), (1170, 878682), (1260, 815919), (1365, 753156), (1404, 732235), (1638, 627630), (1755, 585788), (1820, 564867), (1890, 543946), (2340, 439341), (2457, 418420), (2730, 376578), (3276, 313815), (3510, 292894), (3780, 271973), (4095, 251052), (4914, 209210), (5460, 188289), (7020, 146447), (8190, 125526), (9828, 104605), (12285, 83684), (16380, 62763), (20921, 49140), (24570, 41842)]